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      Retinopathy, Hematuria, and Diabetic Nephropathy

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          Abstract

          We have retrospectively analyzed the incidence of diabetic nephropathy in 21 diabetic patients who underwent renal biopsy between 1985 and 1995 for microscopic hematuria and/or proteinuria >2.5 g/day without retinopathy. Diabetic nephropathy was observed in 13 of 21 patients (62%). 50% of our patients with diabetic nephropathy had hematuria, the incidence being higher in type I as compared with type II diabetic patients (30 vs. 20%). Diabetic nephropathy without retinopathy but with hematuria was noted in 5 of 13 patients, and diabetic nephropathy without retinopathy and hematuria was also noted in 5 of 13 patients. We suggest from our retrospective analysis that renal-retinal diabetic syndrome really exists.

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          Discordance between Retinopathy and Nephropathy in Type 2 Diabetes

          The aim of this study was to investigate the relationship between the grade of retinopathy and the severity of glomerular lesions in patients with type 2 diabetes and to describe 5 patients without diabetic retinopathy for whom renal biopsy specimens demonstrated advanced diabetic nephropathy. A total of 221 patients with type 2 diabetes (139 males and 82 females) who consectively underwent renal biopsy between 1982 and 1996 were investigated. The severity of diffuse glomerular lesions was graded using the criteria of Gellman and coworkers, and diabetic retinopathy was classified as absent, nonproliferative, or proliferative. The incidence of advanced nephropathy without retinopathy for all 221 cases was 2.3%. Advanced nephropathy was present in 5 of the 122 (4.1%) patients without retinopathy. These 5 patients were all males and aged 50–70 (mean 61) years. Their clinical characteristics were not uniform, and no special clinical features distinguished the patients who were regarded as having possible advanced nephropathy without retinopathy. In our study, although concordance of retinopathy and nephropathy is relatively common, a little discordance was pronounced in Japanese type 2 diabetic patients. Our findings are consistent with the hypothesis that there are important differences in some aspects of the pathogenesis of retinopathy and nephropathy.
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            Renal-Retinal Diabetic Syndrome

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              Author and article information

              Journal
              NEF
              Nephron
              10.1159/issn.1660-8151
              Nephron
              S. Karger AG
              1660-8151
              2235-3186
              2001
              2001
              25 July 2001
              : 88
              : 4
              : 382-383
              Affiliations
              aDepartment of Nephrology, Pitié-Salpêtrière Hospital, and bInserm U423 Necker, Paris, France
              Article
              46025 Nephron 2001;88:382–383
              10.1159/000046025
              11474236
              © 2001 S. Karger AG, Basel

              Copyright: All rights reserved. No part of this publication may be translated into other languages, reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying, recording, microcopying, or by any information storage and retrieval system, without permission in writing from the publisher. Drug Dosage: The authors and the publisher have exerted every effort to ensure that drug selection and dosage set forth in this text are in accord with current recommendations and practice at the time of publication. However, in view of ongoing research, changes in government regulations, and the constant flow of information relating to drug therapy and drug reactions, the reader is urged to check the package insert for each drug for any changes in indications and dosage and for added warnings and precautions. This is particularly important when the recommended agent is a new and/or infrequently employed drug. Disclaimer: The statements, opinions and data contained in this publication are solely those of the individual authors and contributors and not of the publishers and the editor(s). The appearance of advertisements or/and product references in the publication is not a warranty, endorsement, or approval of the products or services advertised or of their effectiveness, quality or safety. The publisher and the editor(s) disclaim responsibility for any injury to persons or property resulting from any ideas, methods, instructions or products referred to in the content or advertisements.

              Page count
              Tables: 1, References: 10, Pages: 2
              Product
              Self URI (application/pdf): https://www.karger.com/Article/Pdf/46025
              Categories
              Short Communication

              Cardiovascular Medicine, Nephrology

              Hematuria, Diabetic nephropathy, Retinopathy

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